/Engine/Plugins/Experimental/FullBodyIK/Source/FullBodyIK/Public/FBIKConstraint.h
struct FRotationLimitConstraint
FQuat
BaseFrameOffset
Frame of reference for this
int32
BaseIndex
uint8:  1
bXLimitSet
Xyz - twist/swing1/swing2
uint8:  1
bYLimitSet
uint8:  1
bZLimitSet
int32
ConstrainedIndex
FVector
Limit
FTransform
RelativelRefPose